Vibration sensor



FIG. 1 is a perspective view of a first embodiment of a vibration sensor showing our new design;

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment of a vibration sensor showing our new design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a top plan view thereof; and

FIG. 14 is a bottom plan view thereof.

FIG. 15 is a perspective view of a third embodiment of a vibration sensor showing our new design;

FIG. 16 is a front elevational view thereof;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a right side elevational view thereof;

FIG. 20 is a top plan view thereof; and,

FIG. 21 is a bottom plan view thereof.

The broken lines showing in the drawings illustrate unclaimed portions of the vibration sensor and form no part of the claimed design. 

CLAIM The ornamental design for a vibration sensor, as shown and described. 